第一部分：单项选择（每题 5 分，共 50 分）

从 A、B、C、D 中选出最合适的一项填入空格。

1. This is not my umbrella. ________ is blue.
   A. My B. Mine C. Me D. I

2. The cat is licking ________ paw.
   A. its B. it’s C. its’ D. his

3. These are our bags. Where are ________?
   A. their B. they C. theirs D. them

4. Is this pen ________, or does it belong to Sarah?
   A. you B. your C. yours D. yourself

5. My room is bigger than ________.
   A. her B. she C. hers D. herself

6. Excuse me, is this ________ seat? No, it’s ________.
   A. your; mine B. yours; mine C. your; my D. yours; my

7. The birds are building ________ nest in the tree.
   A. they B. their C. theirs D. them

8. I’ve lost my keys. Can I use ________?
   A. you B. your C. yours D. yourself

9. Mr. Wang is ________ teacher. We all like ________ lessons.
   A. our; his B. ours; his C. our; him D. ours; he

10. Look at the photo. ________ father is a doctor.
    A. Whose B. Who’s C. Her D. Hers

第二部分：用所给词的适当形式填空（每题 5 分，共 25 分）

请仔细分辨句中是否有名词跟在代词后面。

11. This isn't ________ (I) dictionary. It's ________ (she).
12. These books are ________ (we). Please put them on ________ (we) desk.
13. That's not ________ (they) house. ________ (they) is much smaller.
14. Is that bike ________ (you)? No, it’s ________ (he).
15. ________ (he) hobby is collecting stamps, but ________ (I) is drawing.

第三部分：句型转换与改错（每题 5 分，共 25 分）

按要求完成句子或指出并改正错误。

16. This is her ruler. (改为同义句)
    This ruler is ________.

17. That car is mine. (改为同义句)
    That is ________ ________.

18. Are these your parents' photos? (改为同义句)
    Are these photos ________?

19. 指出错误并改正： My school is far from here, but her is near.
    错误：________ 改为：________

20. 指出错误并改正： These are mine books, yours are over there.
    错误：________ 改为：________

Eido 的逻辑解析与参考答案

在批改之前，我希望你明白：形容词性物主代词（my, your, his, her, its, our, their）就像是“随从”，它们必须跟在“主人”（名词）身边；而名词性物主代词（mine, yours, his, hers, its, ours, theirs）则是“替身”，它们已经包含了“所有者+物品”的双重含义。

第一部分：单项选择

1. B (Mine = My umbrella)
2. A (its 是形容词性物主代词，指代猫的；it's 是 it is 的缩写，别搞混了)
3. C (theirs = their bags)
4. C (yours，后面没有名词)
5. C (hers = her room)
6. A (第一空修饰 seat，用形容词性；第二空独立使用，用名词性)
7. B (修饰 nest)
8. C (yours = your keys)
9. A (our teacher 修饰名词；his lessons 修饰名词)
10. C (修饰 father)

第二部分：填空

11. my; hers (第一空有名词 dictionary，第二空没有)
12. ours; our (第一空做表语，第二空修饰 desk)
13. their; Theirs (第一空修饰 house，第二空做主语)
14. yours; his (注意：his 的形容词性和名词性形式相同，这是一个陷阱)
15. His; mine (His 修饰 hobby，mine 指代 my hobby)

第三部分：句型转换与改错

16. hers
17. my car
18. theirs (指代 parents' photos)
19. 错误：her 改为：hers (因为后面没有名词)
20. 错误：mine 改为：my (因为后面有名词 books)

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